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PURPOSE To determine the success rate of probing for congenital nasolacrimal duct obstruction (CNLDO) in various age groups. METHODS One hundred children (118 eyes) aged 4 to 48 months diagnosed with CNLDO were included and divided into 6 groups; group 1: infants 4-6 months of age, group 2: infants from 7 to 12 months, group 3: toddlers 13-18 months of(More)
A systematic investigation of the effect of polyethylene glycol (PEG) 200 and 400 on the solution conformation of concanavalin A (con A) was made using circular dichroism (CD), tryptophan fluorescence, 1-anilino-8-naphthalenesulfonic acid (ANS) binding, and size-exclusion chromatography. Far-UV CD spectra of con A at 30%(v/v) PEGs show the retention of(More)
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